Determining how many solar panels you’ll need for your home means first knowing what your goals are. Do you want to minimize your carbon footprint? Maximize your return on your investment? Save as much money as possible? Most people want to save money while minimizing their environmental impact. To calculate how many solar panels you…

The Silicon Valley Toxics Coalition’s latest Solar Scorecard is out, and SunPower earned the highest score of any solar panel manufacturer for the second year in a row. Here’s how our industry-leading innovations enable us to build and recycle the world’s most sustainable solar panels. We’re used to recycling common household goods such as paper,…